You may only allow resubmission for a student who has already submitted the assignment; allowing resubmission will not re-open a closed assignment for a student who has not submitted.
Go to the Assignments tool.
Select the Assignments tool from the Tool Menu in your site.
Select the Grade link.
Select the Grade link for the assignment for which you would like to allow a resubmission.
Select Set Resubmission Options.
Select the drop-down arrow for Set Resubmission Options for Multiple Students.
Select user(s), number of resubmission allowing, and update Accept Until Date.
- Check the box next to each user that you are allowing a resubmission.
- Use the drop-down menu to indicate how many resubmissions are allowed and update the Accept Until date.
- Select Update.